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2. The surface of the plate material and the plate roller should be kept clean before gluing. Dust, rust, ink and other contaminants will damage the adhesion of 3M tape, resulting in poor adhesion and warping. Plates and plate rollers should be cleaned with high-concentration alcohol, because other chemical solvents may damage the plate or sleeve.
3. When attaching the plate, the area of ​​the 3M adhesive tape should be larger than the area of ​​the plate, so the edge of the tape must be larger than the edge of the plate, which can greatly reduce the risk of warping.
4. When attaching the plate, the interface of the plate material and the interface of the tape should be avoided. If the interface of the plate material is opposite to the interface of the tape, it is easy to cause the phenomenon that the printing plate at the interface is not sticky, warped, and the printing plate falls off.
5. When pasting the tape, you cannot directly roll the tape by hand. Take the double-sided tape to peel off part of the separation paper on one side. Do not open the release paper immediately. After part of the tape is fixed, gradually release the release paper.
6. After the printing plate is attached, in order to avoid ink and solvent from contacting the adhesive tape and the edge of the plate during printing and cleaning, a ring of edge banding tape can be attached around the plate to avoid the phenomenon of warping. The thickness of the edge banding tape is preferably thin.
7. When unloading the plate, it is recommended that the printing plate be slowly and smoothly removed at an angle of less than 90 ° (the angle between the removed printing plate and the tangent of the drum surface), so as to avoid wrinkling or cracking of the plate. The slower the plate unloading, the weaker the adhesive force to the tape plate material, otherwise, the faster the stronger the adhesive force. When unloading the tape, the method is the same as unloading the plate material.
Flexo is a delicate printing process, and many variables need to be controlled. As manufacturers have higher and higher requirements on label printing quality, the process control of each printing process becomes more and more important. I hope this article's simple discussion on plate mounting tape can help you.